723625565 has 16 divisors (see below), whose sum is σ = 936558336. Its totient is φ = 533563200.

The previous prime is 723625561. The next prime is 723625597. The reversal of 723625565 is 565526327.

723625565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 723625565 - 2² = 723625561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723625561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36860 + ... + 52970.

It is an arithmetic number, because the mean of its divisors is an integer number (58534896).

Almost surely, 2^723625565 is an apocalyptic number.

It is an amenable number.

723625565 is a deficient number, since it is larger than the sum of its proper divisors (212932771).

723625565 is a wasteful number, since it uses less digits than its factorization.

723625565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16820.

The product of its digits is 378000, while the sum is 41.

The square root of 723625565 is about 26900.2893107119. The cubic root of 723625565 is about 897.7828408450.

The spelling of 723625565 in words is "seven hundred twenty-three million, six hundred twenty-five thousand, five hundred sixty-five".